It adopts Qinheng's self-developed RISC-V microprocessor "Highland Barley V4" and integrates 2Mbps low-power Bluetooth on the chip. It is equipped with a blood oxygen and heart rate module, a nine-axis sensor, a motor drive module, a low-power touch detection module and a 0.96-inch high-definition IPS display to meet the application needs of general bracelets.
Apple's full series of drawings: iPhone 5s Chinese schematic + component distribution diagram
This computing watch is designed using the SAML22 ARM microcontroller. This particular microcontroller has a segmented LCD controller capable of driving the LCD used inside the watch.
Lithium-ion battery monitoring and gas meter evaluation board based on STC3100
Digital photo frame source code (AT76C120+CT956)
This solution includes USB Type-C® PD 3.0 hardware layer driver and software protocol stack for developing USB PD applications. The M032 series acts as a universal serial bus port manager, and the NCT3807 is a port controller. Its software stack supports the USB-IF Association's power supply/charging specifications. This solution supports dual-port applications, and Nuvoton has extensive experience in USB Type-C® PD 3.0 product design.
The WiFi remote control is based on ESP32 Pico D4 MCU and 160x80 pixel mini TFT display. Additionally, there are onboard I2C temperature and humidity sensors and an accelerometer.
You can record your life anytime and anywhere, remember people's names, calculate food calories, translate in real time, and have intelligent conversations...
Quad HDMI input using ADV7612 receiver, fast switching multiplexer with extended temperature range
A low-cost, non-contact DIY infrared thermometer based on ESP8266 can help people measure their temperature safely and prevent the spread of the new coronavirus.
Universal motor driver with speed control, based on STM8 and triac (US version)
These demos all use Adafruit's PicoDVI branch, which makes the video framebuffer look like a regular Adafruit_GFX object, which makes drawing very easy.
FRDM-KW41Z Development Kit for KW41Z/31Z/21Z MCUs features Cortex-M0+ and 2.4 GHz radio, compliant with Bluetooth Smart/Low Energy (BLE) v4.2 and IEEE 802.15.4 protocols
Mobile power supply (adjustment OK program + schematic PCB diagram).
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