https://community.element14.com/technologies/internet-of-things/The Internet of Things (#IoT) becomes a popular industry topic and data illustrating perspectives are very impressive: IHS predicts 29.2 billion of connected devices by 2020. Huge opportunity! Let's discuss about technology, market trends and solutionsen-USTelligent Community 12https://community.element14.com/technologies/internet-of-things/f/forum/56812/converting-the-sensecap-to-standard-lora-wan-gatewayWed, 01 Apr 2026 02:47:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:1dbe580c-36c4-4b98-9bc7-9a53ae0dadc1meera_hussienI have a SenseCAP gateway that I used previously for Helium, but I am not using it anymore. I am planning to convert it into a standard LoRaWAN gateway. I searched online and found that it seems possible. Just wanted to ask if any members here have tried this before, and was it successful? The link for this product is below https://www.sensecapmx.com/docs/sensecap-m1/overview/heliumlorawanseeeduinosensecaphttps://community.element14.com/technologies/internet-of-things/f/forum/56797/diy-an-rf-power-meter-based-on-stm32f103-max4003/234620Thu, 26 Mar 2026 16:22:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:c8184b4d-7b9f-41f8-9402-1b029e23ac79aspork42I like this! Any photos or videos you could share?https://community.element14.com/technologies/internet-of-things/f/forum/56797/diy-an-rf-power-meter-based-on-stm32f103-max4003/234618Thu, 26 Mar 2026 10:37:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:d93da383-95fd-4fcd-a7d7-c97ddd57352fdang74Great work. Your poor man's power meter has the potential of being a 'gate-way drug' to RF.https://community.element14.com/technologies/internet-of-things/f/forum/56797/diy-an-rf-power-meter-based-on-stm32f103-max4003Thu, 26 Mar 2026 09:18:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:85f55253-96a7-411f-8abe-bbfd4bff8792iotserviceAs we all know, Radio frequency (RF) is a very important segment of the IoT industry. When learning RF technology, power is a critical indicator that must be mastered. Testing RF power usually requires a spectrum analyzer or an RF power meter. However, spectrum analyzers are too expensive for beginners who are new to RF like me, and even the cheapest RF power meters cost hundreds of RMB. For electronics enthusiasts who follow the principle of "spend when you should, save when you can", DIYing an RF power meter is a great alternative. The first step was to define the functions and design the hardware circuit. To test RF power, a chip called a detector is required. I had not found a suitable option for a long time as it was my first time working with an RF detector, until I saw the power detection module on the E25-C test baseboard, which uses a Maxim MAX4003 for power acquisition. The MAX4003 RF detector chip supports a frequency range of 100MHz to 2.5GHz, with an input range of -45dBm to 0dBm. It is very cost-effective at only 6 RMB, and its parameters fully meet the requirements. Its stability during testing is also proven in practical use, so I finally chose this detector as the core device of this DIY power meter. Next was the selection of the MCU chip. I used the well-known STMicroelectronics STM32F103TBU6, which integrates a 12-bit successive approximation ADC (analog-to-digital converter), a 72MHz Cortex-M3 ARM processor, and 128KB of on-chip program memory. The main reasons for choosing it are its QFN36 package and integrated USB controller. For the display part, a 1.3-inch monochrome LCD screen with ST7565 main controller is used, which communicates via the SPI interface and has a resolution of 128*64. It is fully sufficient for displaying collected data and other information. In addition, a Texas Instruments OPA333A high-precision operational amplifier is used to amplify the analog signal output by the detector and send it to the ADC pin of the MCU. A GT20L16S1Y chip provides the Chinese character library. The power supply adopts a TYPE-C port, and the voltage is regulated by ME6211 to supply power for the chips. A REF3033AIDBZR reference chip is used to provide the reference source for the ADC. After the hardware selection and circuit design were completed, the software design was carried out. STM32CUBEMX was used for project configuration, and development was based on HAL library functions. After initializing the ADC, the HAL_ADCEx_Calibration_Start function was used to self-calibrate the ADC. The TIM2 timer was enabled and the interrupt was activated for regular collection of the voltage value output by the RF detector. The ADC performs cyclic collection 10 times and calculates the average value to implement software filtering. For the convenience of wiring during PCB design, the hardware SPI interface of the MCU was not used to operate the screen and the character library chip, so the IO port was used to simulate the software SPI timing to operate the LCD screen and read/write the character library chip. In addition to the 16*16 GB2312 Chinese character library and character library, the GT20L16S1Y character library chip also has 64KB of freely erasable space from address 0x6FFFF to 0x7FFFF (start address 0X7000), including 16 sectors. This storage space is used to store power calibration parameters. In addition, necessary functions such as compensation settings have been added. Since the input signal of MAX4003 cannot exceed 0dBm, most signals need to be tested in conjunction with an external attenuator, so software compensation is required for accurate readings. 10 sectors are set to store 10 frequency points, compensation and calibration parameters. To make it easy to set these parameters, a setting menu is written, through which you can select the current frequency point, set the current software compensation and frequency, calibrate the current frequency, save the set parameters and other functions. During testing, an external high-precision RF signal source was used. It was found that the MAX4003 chip has excellent linearity in the range of -7dBm to -43dBm, so a trade-off was made: 31 calibration data acquisitions were carried out from -10dBm to -40dBm and saved as an array. When the data is measured, the nearest low value is queried from the 31 sets of data for display, and the decimal value between the nearest high value and low value is calculated. After measurement, the test accuracy is excellent, which meets my needs for power measurement as an RF beginner. The preliminary functional design of the small power meter has been completed. The hardware reserves the TP4055 battery management chip and independently controllable power management. A battery will be added to this small power meter later to use it as a portable power meter.diyrf power meterhttps://community.element14.com/technologies/internet-of-things/f/forum/56686/industrial-internet-of-things-iiot-solutions/233971Mon, 23 Feb 2026 15:59:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:4d9a153e-1646-4a89-a810-e5445423df49BigGI too struggle with acronym's. It's a bit like suncream... You need to apply liberally when out there in the field... or at trade shows. Otherwise you get burnt. For me, "Industrial" implies environmental conditions. So temperature rating is a big thing (to -40C to 105C etc). Other aspects that apply are voltages (typically can accept 24V) and then immunity to noise etc. Arduino Opta is a great case study of how you take a consumer led IoT product to switch it over to industrial: https://www.arduino.cc/pro/hardware-arduino-opta/https://community.element14.com/technologies/internet-of-things/f/forum/56686/industrial-internet-of-things-iiot-solutions/233950Mon, 23 Feb 2026 04:04:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:274988ab-b40a-4f4d-8b98-82c5094b7549colporteurYou got all that out of I am here looking for IIoT solution for organization.". Wow!https://community.element14.com/technologies/internet-of-things/f/forum/56686/industrial-internet-of-things-iiot-solutions/233942Sun, 22 Feb 2026 23:16:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:c01771c1-893b-471d-851f-5c5417f0a044shabazHi Sean, I suspect IIoT is an informal acronym than the full phrase Industrial IoT. The trade shows mentioned are industry/business focused so would have been ideal for the OP as a first step, if they are serious about moving forward. The industrial part trickles down to requirements such as not having access to the devices for upgrades (I.e. remote upgrades become more important than USB update for a consumer item), needing to have security usually (and proving it), ability to not need to manually configure every single device (because the particular industry/enterprise may be purchasing hundreds, versus a consumer who doesn't mind a slower onboarding per device), maybe far more expensive cloud data storage (might need to mine data later, or might need to process more in near-real-time), more power options perhaps, or run for the life of the product without needing to change batteries, and a bit more ruggedness perhaps, run in colder/hotter temperatures etc. There are all manner of sensors and actuators etc., but it's not a solution, just a bunch of components or at best systems, until the work is done to understand the specific business and technical requirements, and design a solution that provides whatever processing, storage, presentation, control, reports etc that are needed to meet those requirements (i.e. to me it's illogical to ask the original question 'which IoT solution to choose', because no IoT solution already exists for the OP; they have to do the hard work (or hire someone) to design that, and then implement that.https://community.element14.com/technologies/internet-of-things/f/forum/56686/industrial-internet-of-things-iiot-solutions/233938Sun, 22 Feb 2026 20:57:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:89c7a6fe-a5e5-4bb2-811f-4eede83a5568colporteurWhile IoT refers to consumer technology, IIoT specifically targets industrial applications. I didn't know that. You didn't inquire about the industry and the question didn't provide that detail. It involves interconnected devices, such as sensors, actuators, and advanced analytics platforms. Predictive maintenance, which prevents equipment failure, as well as supply chain optimization and increased operational efficiency are some applications. Does IIot match an industry or is it just a collection of data generating sensors and their collectors?https://community.element14.com/technologies/internet-of-things/f/forum/56686/industrial-internet-of-things-iiot-solutions/233812Wed, 18 Feb 2026 16:43:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:fe3a49d8-2d17-4029-913e-df54283df2dfshabazHi, (Long answer): Technically what you'll find are often components or bits of systems or SaaS, it's not a solution. The solution cannot exist until you (or someone on your behalf) has designed it, and then developed and deployed it, ideally to meet (amongst other things) your business needs. If initial needs are very basic (e.g. for a simple initial trial) then you could ask any IoT device manufacturer (for say one of the types of things you wish to monitor or control) to set you up a simple demo, using whatever platform they use (might be their own, or one they are familiar with). Or, even more basic, you could have a play with any IoT platform, most have demonstration software or products, e.g. Azure, AWS, even Arduino I think. It doesn't matter too much since the solution has not been designed at this point, and you're rather using the trial as part of your research to decide what you want in your actual solution. If you really want to move forward and design and implement a solution, then you could hire someone to help you with this, but often you will also need at least a few people in your firm (particularly developers) to dedicate time to the project too. If you really do want to hire someone for a period of time to design the solution for you, if you place the job requirement on your work website or normal site you use for recruitment, or maybe provide the link to it or detail here, I am sure someone may reply (I might depending on the circumstances). However, if you're not at that stage yet, or wish to see what others have done, and if you're completely new to this, it's best to visit a trade show (e.g. there was a free-to-visit large IoT show in London just a week or two ago - and there's a less focused, more generic but larger show in London Excel in two weeks time from now) where you will find hundreds of firms showing their components or SaaS and so on. They will all be able to tell you how their offerings were used in solutions, and it's easier then to see which ones align with your needs, and they may even point you to individuals and firms that they worked with to help build those solutions for the end customer. I'd strongly recommend it, because it's a very quick way to start seeing some of the possibilities, and roughly gauging what you will want or need. I don't know your location, but if you keep an eye out I am sure there will be similar shows at least in your region (and sometimes it is worth visiting trade shows for similar-ish industries too, to see what others may be doing if they have similar requirements.https://community.element14.com/technologies/internet-of-things/f/forum/56686/industrial-internet-of-things-iiot-solutionsWed, 18 Feb 2026 08:41:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:a03b9355-506b-4be6-ab38-52a3fade6d01athangI am here looking for IIoT solution for organization. I also searched this on many different website and found many solutions. We are bit confused to which one to choose. One of my friend suggest me this platform, and i am hoping i will get the solution from here. So can anyone please suggest the good solution platform?iiothttps://community.element14.com/technologies/internet-of-things/f/forum/56442/has-anyone-built-a-truly-low-power-camera-iot-device-on-an-off-the-shelf-som/232548Sat, 27 Dec 2025 15:47:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:7cb5d0c3-fc5f-4849-88be-73f1be382553lichurbaganWhat camera did you use? Was it the ESP32-CAM or something else?https://community.element14.com/technologies/internet-of-things/f/forum/56442/has-anyone-built-a-truly-low-power-camera-iot-device-on-an-off-the-shelf-som/232545Sat, 27 Dec 2025 13:26:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:273fb3d7-d556-440c-a51e-5c9a557ea09fWorkshopshedI've used a simple transistor switch to control the power to things like servos and sensors when trying get the best battery life from a project. Also used a lower power sensor to wake the board and camera before.https://community.element14.com/technologies/internet-of-things/f/forum/56442/has-anyone-built-a-truly-low-power-camera-iot-device-on-an-off-the-shelf-som/232544Sat, 27 Dec 2025 10:55:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:1538e5dc-90a8-4ed1-b9f4-fb689f29b278lichurbaganIf you need months of battery life, MIPI camera and <1 s perceived response then custom hardware is unavoidable, even if you reuse an existing SoC.https://community.element14.com/technologies/internet-of-things/f/forum/56442/has-anyone-built-a-truly-low-power-camera-iot-device-on-an-off-the-shelf-som/231907Tue, 18 Nov 2025 11:55:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:be7e0a04-36cd-4e7c-8b1a-4a2b843a15ffBigGWhy are you focusing just on the SoM? There are range of image sensors with MIPI interface out there, and I'm sure some are more power hungry than others when powering on/off and capturing a frame in different lighting conditions.https://community.element14.com/technologies/internet-of-things/f/forum/56442/has-anyone-built-a-truly-low-power-camera-iot-device-on-an-off-the-shelf-som/231906Tue, 18 Nov 2025 10:39:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:0ef7bb7e-0612-4268-bdeb-0740b964cce2obonesI'm surprised at the levels you see for ESP32. Are you sure you disabled all peripherals and used deep sleep? Here is what I do: esp_sleep_enable_ext0_wakeup( GPIO_NUM_9 , 0 ); epd_poweroff_all(); esp_deep_sleep_start(); // Sleep until we have received a GPIO interrupt The epd_poweroff_all() call disables entirely the epaper display that I'm using. Without it, I don't reach the sub mA consumption. Are you sure you did not leave the camera powered on?https://community.element14.com/technologies/internet-of-things/f/forum/56442/has-anyone-built-a-truly-low-power-camera-iot-device-on-an-off-the-shelf-somTue, 18 Nov 2025 10:33:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:ab5efc0f-fc60-4508-9cdf-efccddf12929inxnikI’m trying to achieve Amazon Ring–level battery life — several months on a 5000 mAh battery — using non-custom SoMs . The device should stay almost at zero power between photo sessions. So far, all tested platforms (ESP32-S3, ESP32-P4, AmebaPro2 RTL8735BDM, Luckfox RV1103) show deep-sleep consumption ≥ 70 mA , far above the advertised values, making them unsuitable. We also tested a two-chip architecture (small MCU like ATtiny85 waking the main SoM), but the main issue is boot-to-first-photo time . It must be <1 second , which is hard with Linux-based SoMs — yet only Linux SoMs support proper MIPI sensors like IMX219/IMX708. Questions: – Has anyone achieved a low-power camera system (photo only) on an existing SoM, with real deep sleep or fast wake-up? – Is designing a custom board around a SoC the only realistic solution? – Or can something like Radxa CM3 + a highly optimized Linux stack (Buildroot, custom suspend modes) reach <1 s wake and low idle power? – Has anyone successfully built a battery-powered MIPI-camera device with either deep sleep or a two-chip wake architecture?cameraiothttps://community.element14.com/technologies/internet-of-things/f/forum/56436/iotMon, 17 Nov 2025 08:36:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:6c63c706-e074-4a0f-b8d9-0dddb269904cjuanjm7Hello, my name is Juan Jacinto Montenegro, and I am an electronic engineer at Rother. We have contacted STMicroelectronics to obtain recommendations regarding their products for our IoT project. They have suggested that we contact their distributors. Our project focuses on the automotive sector, both in the civil and military fields. For this project, we need to meet a series of specifications: -UART or USB2.0 Full-speed communication interfaces to communicate with our microcontroller, which will act as a host controlling the IoT modules. -Wi-Fi and cellular (LTE 4G/5G) connection for sending data via HTTP and MQTT to a remote server. -Sending SMS messages and voice calls -Support for GNSS geolocation. -Interface for connecting a MicroSD card and storing local data. I would like to know if you have any IoT modules or boards that meet these requirements. Initial testing would serve to validate the results obtained and, if these were satisfactory, we would proceed to purchase the different products tested (cellular module, WI-FI module...) to design our own board.wifiiotltehttps://community.element14.com/technologies/internet-of-things/f/forum/56328/help-identifying-soc-used-in-amazon-ring-2024-battery-version-advice-on-low-power-iot-camera-platform/231461Sat, 25 Oct 2025 00:01:00 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:4b539664-c30b-4eab-9c48-263356c57561dougwGoogle Lens had some interesting guesses....