battery

Posted on by Jean-Luc Aufranc (CNXSoft) - No Comments on STMicro LSM6DSV32X Edge AI motion sensor aims to extend battery life in wearables, trackers, and activity monitors

STMicro LSM6DSV32X Edge AI motion sensor aims to extend battery life in wearables, trackers, and activity monitors

STMicro LSM6DSV32X AI motion sensor

STMicro LSM6DSV32X is a new low-power 6-axis inertial module with the company’s machine-learning core (MLC) with AI algorithms based on decision trees, a 3-axis accelerometer with a full-scale range of 32g, and a 4000 degrees-per-second gyroscope designed to measure intensive movements, impacts, and freefall height (estimation). The features of the sensors enable it to lower the power consumption for functions such as gym-activity recognition to under 6µA, while 3D orientation tracking consumes just 30µA when using STMicro’s Sensor Fusion Low-Power (SFLP) algorithm. It will be found in a range of battery-powered devices such as consumer wearables, asset trackers, and impact and fall alarms for workers or the elderly. STMicro LSM6DSV32X specifications: Triple-channel architecture for UI (user interface), EIS, and OIS data processing Data storage – Smart FIFO up to 4.5 KB Sensors Accelerometer – ±4/±8/±16/±32 g full scale Gyroscope – ±125/±250/±500/±1000/±2000/±4000 dps full scale Embedded temperature sensor Host interfaces SPI, […]

Posted on by Jean-Luc Aufranc (CNXSoft) - No Comments on Silicon Labs BG22E, MG22E, FG22E wireless MCUs target energy harvesting, battery-free IoT devices

Silicon Labs BG22E, MG22E, FG22E wireless MCUs target energy harvesting, battery-free IoT devices

BG22E MG22E FG22E energy harvesting wireless microcontroller

Silicon Labs xG22E is a family of wireless SoCs consisting of the BG22E, MG22E, and FG22E and designed to operate within an ultra-low power envelope required for battery-free, energy harvesting applications such as electronic shelf labels, Smart Home sensors, remote controls, and so on. Like the just-announced Silicon Labs MG26, BG26, and PG26, the new xG22E family features a Cortex-M33 core clocked up to 76.8MHz. As an evolution of the low-power BG22, the BG22E offers Bluetooth 5.4 LE connectivity with “Energy Conservation” to further enhance battery longevity and even support designs that eliminate the need for batteries. The MG22E is similar but embeds an 802.15.4 radio for Zigbee connectivity, and the FG22E provides a 2.4GHz proprietary plus the Cortex-M33 is clocked up to 38.4MHz. Silicon Labs BG22E, MG22E, FG22E specifications: MCU – Arm Cortex-M33 @ 76.8 MHz with DSP and FPU (38.4 MHz for FG22E) Memory – Up to 32 […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 3 Comments on ESP32-S3 PowerFeather board supports up to 18V DC for solar panel input

ESP32-S3 PowerFeather board supports up to 18V DC for solar panel input

ESP32-S3 PowerFeather

The ESP32-S3 PowerFeather board is an Adafruit Feather-shaped ESP32-S3 WiFi and BLE IoT board that can be powered by a Li-Ion or LiPo battery and supports up to 18V DC input for direct connection to a solar panel. The developer told CNX Software that the main differentiating factor from other ESP32-S3 development boards was “its extensive power management and monitoring features” with a wide DC input range, supply and battery monitoring, and battery protection features. ESP32-S3 PowerFeather specifications: ESP32-S3-WROOM-1-N8R2 MCU – ESP32-S3 dual-core Tensilica LX7 up to 240 MHz with 512KB SRAM, 16 KB RTC SRAM Memory – 2MB QSPI PSRAM Storage – 8MB QSPI flash Wireless – WiFi 4 and Bluetooth 5 LE + Mesh; PCB antenna USB – 1x USB-C 1.1 OTG port for power and programming Expansion 2x 16-pin 2.54 mm pitch headers with 23x multi-function GPIO: UART, I2C, SPI, I2S, SDIO, PWM, CAN, RMT, Camera, LCD […]

Posted on by Jean-Luc Aufranc (CNXSoft) - No Comments on SparkFun Thing Plus – RA6M5 board supports Bluetooth 5.1 LE through Renesas DA14531MOD module

SparkFun Thing Plus – RA6M5 board supports Bluetooth 5.1 LE through Renesas DA14531MOD module

Sparkfun Thing Plus - RA6M5

SparkFun Thing Plus – RA6M5 is a small MCU board based on a 200 MHz Renesas RA6M5 Cortex-M33 microcontroller and a Renesas DA14531MOD Bluetooth 5.1 LE module that follows Adafruit Feather/Sparkfun Thing Plus form factor. The module can transmit data over BLE with just 4mA (at 3.3V) power consumption and the company claims the board to be powered by a coin-cell battery. A LiPo battery can also be connected to the board through a 2-pin JST battery connector, and the Things Plus – RA6M5 board also features a single-cell charger and LiPo fuel gauge. Sparkfun Thing Plus – RA6M5 specifications: Microcontroller – Renesas R7FA6M5AH3CFP Core – Arm Cortex-M33 microcontroller @ up to 200 MHz Memory – 512KB SRAM Storage – 2MB Flash Security – Arm TrustZone, and Secure Crypto Engine 9 Wireless – Renesas DA14531MOD module for Bluetooth 5.1 LE connectivity with support for CodeLess AT command Datapump Radio Transmit […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 4 Comments on SparkFun Thing Plus – ESP32-C6 board comes with 16MB flash, LiPo battery support

SparkFun Thing Plus – ESP32-C6 board comes with 16MB flash, LiPo battery support

SparkFun Thing Plus ESP32-C6

SparkFun has launched yet another ESP32-C6 board with the “Thing Plus – ESP32-C6”  based on the ESP32-C6-WROOM-1-N16 module with 16MB flash and a PCB antenna and  range of I/Os and power options. The board features 28 through holes with up to 23 multi-function GPIOs and a Qwicc connector for expansion, and supports 5V or LiPo battery power through respectively a USB-C port a 2-pin JST connector combined with a charging chip, and a fuel gauge. SparkFun Thing Plus – ESP32-C6 specifications: Wireless module – ESP32-C6-WROOM-1-N16 MCU – ESP32-C6 32-bit single-core RISC-V microcontroller with 2.4 GHz WiFI 6, Bluetooth 5 LE, and 802.15.4 radio (Zigbee and Thread); Matter-compatible Storage – 16 MB flash PCB Antenna Storage – MicroSD card slot USB – 1x USB Type-C port for power and programming Expansion 12-pin + 16-pin headers with 23x multifunctional GPIOs Up to 7x 12-bit ADC channels Up to 2x UART channels (with […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 1 Comment on 8 Euros ESP32-H2-DevKit-LiPo is an open-source hardware Bluetooth 5 LE and 802.15.4 (Zigbee/Thread/Matter) board

8 Euros ESP32-H2-DevKit-LiPo is an open-source hardware Bluetooth 5 LE and 802.15.4 (Zigbee/Thread/Matter) board

ESP32-H2-DevKit-LiPo

Olimex ESP32-H2-DevKit-LiPo is an open-source hardware board based on ESP32-H2-MINI-1-N4 wireless module with Bluetooth 5 Low Energy (LE) and an 802.15.4 radio for Zigbee, Thread, and Matter connectivity, and that can be powered by a LiPo battery. The ESP32-H2 RISC-V microcontroller is coupled with 4MB flash in the wireless module, and the board comes with two rows of 15 pins for up to 19 GPIOs with alternate functions such as ADC, SPI, UART, I2C, etc… plus pUEXT and Qwiic/Stemma connectors for expansion modules. The board also features two USB-C ports, one for connected directly to the ESP32-H2 and the other for USB to UART programming/debugging. ESP32-H2-DevKit-LiPo specifications: Wireless module – ESP32-H2-MINI-1-N4 MCU – Espressif Systems ESP32-H2 32-bit RISC-V microcontroller at up to 96 MHz with 320 KB SRAM, 128 KB ROM, 4 KB LP memory, Bluetooth 5.2 LE/Mesh and 802.15.4 (Zigbee/Thread/Matter) radios. Storage – 4MB flash storage PCB antenna Dimensions […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 10 Comments on Betavolt BV100 3V nuclear battery aims to deliver 100 microwatts for over 50 years

Betavolt BV100 3V nuclear battery aims to deliver 100 microwatts for over 50 years

BetaVolt BV100 50-year battery

Btavolt BV100 is a nuclear battery that never needs to be charged and designed to output 3V/100µW (microwatts) for over 50 years for the aerospace industry, AI equipment, medical devices, MEMS systems, advanced sensors, small drones, and micro-robots. At 15x15x5mm, the 50-year nuclear battery is fairly small although 100 microwatts is not a lot of power… That’s only the first step, however, as the Chinese company plans to launch a 1W nuclear battery, and says that if (government) policies allow, nuclear batteries should eventually enable smartphones that never need to be charged and forever fly drones… How does that all work? First, as Betavolt states in its press release (in Chinese), it’s not exactly new technical as in the 1960’s, the US and the USSR used betavoltaic batteries for the space programs. But those were relatively large and heavy, operated at high temperatures, and were expensive. Wikipedia mentions that one […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 2 Comments on M5StickC PLUS2 IoT development kit features ESP32-PICO-V3-02 SiP, larger 200 mAh battery

M5StickC PLUS2 IoT development kit features ESP32-PICO-V3-02 SiP, larger 200 mAh battery

M5StickC Plus2 IoT development kit

M5Stack M5StickC PLUS2 is a battery-powered ESP32 IoT development kit with a 1.14-inch display, a built-in microphone, a 6-axis gyroscope and accelerometer, a few buttons, a buzzer, a Grove connector and a GPIO header for expansion. It builds upon the M5StickC Plus released in September 2020, but replaced the ESP-PICO-D4 SiP with an ESP32-PICO-V3-02 still based on ESP32 WiSoC but having 8MB SPI flash and 2MB flash and also features a larger 200 mAh battery along with a new CH9102 USB to TTL chip and does without a PMIC. M5StickC PLUS2 key features and specifications: ESP32-PICO-V3-02 SiP – Espressif Systems ESP32-PICO-V3-02 system-in-package with ESP32 dual-core WiFI and Bluetooth IoT processor @ up to 240 MHz, 8MB SPI flash, 2MB PSRAM Display – 1.14-inch Color TFT LCD with 135×240 resolution (ST7789v2 driver) Audio – SPM1423 microphone, buzzer USB – 1x USB-C port for power and programming using CH9102 USB to TTL chip […]