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4.3-inch ESP32-S3 wireless touchscreen display features terminal block with RS485, CAN Bus, I2C, DIO

Waveshare “ESP32-S3-Touch-LCD-4.3B” is a capacitive touch display development board built around an ESP32-S3 SoC with RS485, CAN Bus, I2C, and isolated DIO interfaces provided through a terminal block. The devkit features a 4.3-inch capacitive touch display that has an 800×480 resolution, RTC, and a microSD card slot. Combined with a wide input voltage range of 7-36V DC, the ESP32-S3-Touch-LCD-4.3V is suitable for IoT HMI, smart home automation, and more. Previously we have written about similar development boards from Waveshare like the ESP32-S3 1.69-inch touch display, the $15 Waveshare 1.69-inch IPS touch LCD module, the Waveshare RP2040-LCD-0.99-B rounded display but they would offer no expansion pins or GPIO through pads or 4-pin connectors, while the ESP32-S3 display features a terminal block with additional interfaces like RS485 pr CAN Bus that should make wiring more convenient and versatile for the target applications. Waveshare ESP32-S3 touch LCD specifications: Wireless MCU – Espressif Systems ESP32-S3R8 […]

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Review of AgroSense LoRaWAN Smart Agriculture sensors with the SenseCAP M2 LoRaWAN gateway

Today, I will be reviewing the AgroSense LoRaWAN sensors from Makerfabs designed for high-precision agriculture. This time, I received four sets of sensors designed for measuring environmental data and a Seeed Studio SenseCAP M2 LoRaWAN gateway. Below is the list of items I received. AgroSense LoRaWAN Barometric Pressure Sensor – Measures the barometric pressure in a 300 to 1100 hPa range with ±0.12 hPa accuracy and 0.01 hPa resolution. AgroSense LoRaWAN Light Intensity Sensor – Measures the light intensity in a 1 to 65535 lx range with ±1 lx accuracy and ±20% resolution. AgroSense LoRaWAN Temperature & Humidity Sensor – Measures temperature and humidity in the atmosphere in the ranges of -40°C to 85°C and 0 to 100 %RH with accuracy of ±0.2°C and ±0.2% RH respectively. AgroSense LoRaWAN Industrial Temperature Sensor – Measures temperature in the industrial high-temperature environments in the -60°C to 200°C range with ±0.1°C accuracy and […]

Khadas Edge2 Arm mini PC
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Waveshare Pi5 Module BOX is a configurable mini computer kit for the Raspberry Pi 5

Waveshare Pi5 Module BOX is a multi-functional mini-computer kit designed for the Raspberry Pi 5. The housing of this kit is made from aluminum alloy and Waveshare lists three variants of this kit, the first one is the Pi5 Module BOX-A (PCIe to Gigabit Ethernet), Pi5 Module BOX-B (PCIe to 4-ch USB3.2 Gen1), and Pi5 Module BOX-C (PCIe to M.2 interface). The kit looks very similar to the Waveshare Jetson Nano-powered mini-computer or the ODYSSEY-X86J4105 SBC with a case that we have reviewed previously, there was also this metal enclosure for the Raspberry Pi Compute Module 4 that we have written about, feel free to check that out if you are interested in some similar products. Waveshare Pi5 Module BOX specifications Compatibility – Designed for Raspberry Pi 5 (not included) Case Material – Aluminum alloy PCIe Adapter Board Options: Pi5 Module BOX-A – PCIe to Gigabit Ethernet port Pi5 Module BOX-B […]

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The Blette Stick relies on Bluetooth 5.0 LE for off-grid messaging with up to 1.1km range

The Blette Stick is a Bluetooth 5.0 LE USB-C dongle designed to be attached to an Android smartphone in order to provide off-grid messaging and GPS coordinates sharing capabilities with a range of up to 1.1km in case WiFi and cellular networks are down. CNX Software readers may also be familiar with Meshtastic devices relying on WiFi to connect to the smartphone with Bluetooth and to other nodes using LoRaWAN to enable off-grid messaging while trekking or during emergencies. The Blettle Stick does something similar to the Meshtastic project but with Bluetooth LE long-range communication instead of Bluetooth+LoRaWAN. While the range will be shorter and limited to around 1km (line-of-sight), the plug-and-play design will make it easier to use for typical users who are not technically savvy. Blettle Stick specifications: SoC – Nordic Semi nRF52 Bluetooth 5.0 LE microcontroller (exact part number not specified, possibly nRF52840) Wireless – Bluetooth 5.0 […]

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Femtosense introduces the AI-ADAM-100 system-in-package for affordable, efficient AI-based voice processing on the edge

Femtosense’s newest release, the AI-ADAM-100, combines a low-power Arm Cortex M0+ microcontroller from ABOV Semiconductor with the Femtosense Sparse Processing Unit (SPU), an in-house neural processing unit. This combination powers AI voice processing and cleanup capabilities on edge devices. It leverages sparsity techniques to ensure that models can run on edge devices without intensive processing. Sparsity in AI refers to the presence of zeroes or non-zero values in the matrices and tensors used in machine learning models. No computation is required for these zero weights, heavily reducing processing requirements. The Femtosense AI-ADAM-100 aims to bring voice control to various devices such as home appliances, hearing aids, industrial headsets, and consumer earbuds. These appliances can implement voice user interfaces that allow users to talk naturally in their own words. On-device voice cleanup functionality would reduce infrastructure costs and improve the accuracy of the data sent to the cloud. The Femtosense SiP […]

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Radxa X4 low-cost, credit card-sized Intel N100 SBC goes for $60 and up

Radxa X4 is a credit card-sized Intel Processor N100 single board computer (SBC) that costs almost the same as a Raspberry Pi 5 with the 4GB RAM model going for about $60 and the 8GB RAM variant around $80. The x86 SBC offers many of the same features as the Raspberry Pi 5 including dual micro HDMI output, four USB 3.2/2.0 ports, Ethernet and WiFi networking, and the 40-pin GPIO header handled through a Raspberry Pi RP2040 microcontroller.  Networking is better with 2.5GbE and WiFi 6, M.2 SSD support is built-in and four to eight times faster compared to PCIe HAT for the Pi 5, and the USB 3.2 ports are capable of 10 Gbps speed. So let’s little not too like, and the main downside is the lack of MIPI CSI and DSI connectors for projects requiring those camera and display interfaces. Radxa X4 specifications: SoC – Intel Processor […]

Rockchip RK3568/RK3588 and Intel x86 SBCs
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How to easily enable MediaTek MT7922 Bluetooth on Ubuntu 24.04

MediaTek MT7922 WiFi 6 and Bluetooth 5.3 modules have recently been found in several mini PCs, but Bluetooth would not work in Linux due to a lack of drivers. In this post, we’ll show how to easily enable Bluetooth in MediaTek MT7922 modules when running Ubuntu 24.04. We previously noted that Ian Morrisson submitted a patch adding the IDs for the MT7922 module (Azurewave AW-XB591NF) used in recent GEEKOM mini PCs last March. In theory, you could have rebuilt the Linux kernel, but now that Linux 6.10 has been released, it’s much easier since Canonical has made the Linux 6.10 kernel available for Ubuntu, so we only need to install it and problem solved! Ubuntu 24.04 ships with Linux 6.8, we can see a Bluetooth opcode error in the kernel log.

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$39 Acelink SM81 MediaTek Filogic 820 WiFi 6 system-on-module runs OpenWrt 23.05 or Debian 11

Acelink SM81 is a compact (50x36mm) system-on-module based on the MediaTek Filogic 820 (MT7981A/B) processor with WiFi 6 and Ethernet connectivity designed for IoT applications such as routers, access points, and gateways. The wireless module ships with up to 1GB DDR4 memory, a 2MB NOR flash for the bootloader, a 32GB eMMC flash for Linux or an optional NAND flash, and exposes various I/Os such as gigabit Ethernet, USB 3.0, PCIe 2.1, UART, and more through castellated holes. Acelink SM81 specifications: SoC (one or the other) MediaTek MT7981AA (Filogic 820) dual-core processor @ 1.3 GHz MediaTek MT7981BA (Filogic 820) dual-core processor @ 1.3 GHz without PCIe interface System Memory – 1GB DDR4 @ 2133 Mbps Storage 2MB NOR flash for bootloader 16GB or 32GB eMMC flash for main OS (OpenWrt) Footprint for NAND flash Wireless Radio Mode – 2.4GHz 2×2 + 5GHz 3×3  MIMO via MT7976CN RF IC Radio Frequency […]

Khadas VIM4 SBC