Fully-Integrated Bi-directional PD3.0 and Fast Charge Power Bank SOC with Multiple Input and Output Ports based on IP5328P

A pluggable PCB shield used in pocket-size quadrotor powered by PULP net. Which is a deep learning-powered visual navigation engine. PULP net enables autonomous navigation of a pocket-size quadrotor, Thanks to PULP-DroNet the nano-drone can explore the environment, avoiding collisions also with dynamic obstacles. In complete autonomy no human operator, no ad-hoc external signals, and no remote laptop!

Solar-powered autonomous development board that allows you to grow your project from a small seed to a big, beautiful flower. AAA(10440) LiFePO4 battery as energy storage. BQ25504 Ultra Low-Power Energy Harvester

Product Type: Wearable AI pendant Primary Function: Records audio, generates transcripts, and organizes information about daily interactions User Interaction: Input: Activation button Output: RGB LED ring, Bluetooth link to phone Key Features: Audio Recording: Activated by button press Transcription: Converts audio to text Sentiment Analysis: Embedded AI evaluates sentiment Information Management: Filters essential information and action items Technical Specifications Form Factor: Wearable pendant Display: RGB LED ring around the edge Sensors: 2 Microphones 1 Button Connectivity: Bluetooth for phone linkage Wi-Fi USB-C for charging Wireless Protocol: Wi-Fi, Bluetooth Battery Type: LiPo 2000 mAh Battery Life: 6 hours of continuous use Charging Method: USB-C Operating Voltage: 3.3V Operating Conditions: Temperature Range: -10°C to 70°C Humidity: 10 to 90% Software: Python for AI and processing Compliance: RoHS, FCC, CE Reliability: 20,000 hrs Life Cycle Expectancy: 10 years AI Capabilities Speech to Text Recognition: Converts audio input to written text Embedded AI Sentiment Analysis: Evaluates the mood or sentiment expressed in the text Essential Information Filtering: Identifies and segregates crucial data and actionable items Power Consumption and Efficiency Power consumption must align with battery capacity to ensure 6 hours of continuous operational use.

A board with an array of LEDs that are controlled via STM32, and there is also an accelerometer and a temperature sensor! #stm32 #iot #magic #led

Welcome to your new project. Imagine what you can build here.

A smart ESP32-based battery management system controller board for Lithium ion battery packs/cells. Capable of communicating to wide varieties of hybrid-smart inverters with CANbus, RS485 and UART communication.

ESP32 Drone by Jon VB I wanted to make a low cost drone with all the bells and whistles, so people working with a small budget can get into the drone game. ~$50 https://hackaday.io/project/188578-esp32-drone

PGA103+ based ultra low noise, high dynamic range preamp for VHF and UHF. By Sam Jewell, G4DDK and Kent Britain, WA5VJB

PGA103+ based ultra low noise, high dynamic range preamp for VHF and UHF. By Sam Jewell, G4DDK and Kent Britain, WA5VJB

A smart ESP32-based battery management system controller board for Lithium ion battery packs/cells. Capable of communicating to wide varieties of hybrid-smart inverters with CANbus, RS485 and UART communication.

DIY BMS using ATTINY841-SSU this hardware has a higher balance current, fuse and TVS diode to help with voltage spikes. Most importantly, an external crystal to the micro controller (attiny841) which means the device is more reliable in low voltage situations

DIY BMS using ATTINY841-SSU this hardware has a higher balance current, fuse and TVS diode to help with voltage spikes. Most importantly, an external crystal to the micro controller (attiny841) which means the device is more reliable in low voltage situations

Naze 32 Revision 6 Flight Controller Schematic At the heart of the Naze32 is a 32bit ST micro work horse of a processor, with untapped memory and cpu power and a host of equally impressive sensors. The Naze is also matched up with some of the nicest GUI programs and features to get the most out of your configuration. Naze32 rev6 Features: USB on right side PPM/PWM input as through-hole 3.3V, I2C on standard-size headers Fully pinout compatible with rev5 accessories (OSDoge etc) SBUS Inverter Spectrum satellite MPU6500 Sonar pads w/resistors added for direct connection to 5V sonar All extra pads (FT, GP, A5) on top, only sonar on bottom BMP280 barometer 16mbit flash Guide: https://www.dronetrest.com/t/naze-32-revision-6-flight-controller-guide/1605

HADES Flight Control System. Complete flight control system designed from scratch. The flight control system is primarily designed for fixed-wing, autonomous drones to enable them to perform tasks autonomously, such as take-off, landing, waypoint navigation, payload delivery, etc.

Introducing my USB-C to 4 USB-A Hub V1, a compact and efficient solution for expanding your device's connectivity. Easily connect multiple USB-A peripherals to a single USB-C port. The USB-C and USB-A high speed differential pairs were done with the help of Flux Automated Impedance Control. #USBCHub #Connectivity #project

ESP32 Drone by Jon VB I wanted to make a low cost drone with all the bells and whistles, so people working with a small budget can get into the drone game. ~$50 https://hackaday.io/project/188578-esp32-drone

Naze 32 Revision 6 Flight Controller Schematic At the heart of the Naze32 is a 32bit ST micro work horse of a processor, with untapped memory and cpu power and a host of equally impressive sensors. The Naze is also matched up with some of the nicest GUI programs and features to get the most out of your configuration. Naze32 rev6 Features: USB on right side PPM/PWM input as through-hole 3.3V, I2C on standard-size headers Fully pinout compatible with rev5 accessories (OSDoge etc) SBUS Inverter Spectrum satellite MPU6500 Sonar pads w/resistors added for direct connection to 5V sonar All extra pads (FT, GP, A5) on top, only sonar on bottom BMP280 barometer 16mbit flash Guide: https://www.dronetrest.com/t/naze-32-revision-6-flight-controller-guide/1605

Environmental exposure risk measuring device based on ESP32, ultraviolet light (UV) and CO2 gas sensor modules. It has a voltage booster based on MT3608 chip and a solar panel lithium battery charger with MPPT based on CN3791 chip.

TP5100 is an integrated Lithium battery charger that has a switch mode buck topology. It has all the integrated functions to charge a single or dual cell Lithium battery, along with a few peripheral components #bms

TP5100 is an integrated Lithium battery charger that has a switch mode buck topology. It has all the integrated functions to charge a single or dual cell Lithium battery, along with a few peripheral components #bms

The TP4056 1A Li-ion Lithium Battery Charging Module with Current Protection – Mini USB is a compact device designed to charge individual lithium ion (Li-Ion) cells that lack their own protective circuit, such as 16550s, with a single cell capacity of 3.7V and 1 Ah or higher. This battery charging module employs the TP4056 charger IC and DW01 battery protection IC to provide a charge current of 1A, which will cease upon completion of the charging process. https://robocraze.com/products/tp4056-lithium-battery-charging-board #PCB #TP4056 #battery

This project is a Lithium-ion battery charger circuit based on LTC4007 IC. The design incorporates n-channel power MOSFETs and extensive protection features for overcurrent, overvoltage, undervoltage, and overtemperature conditions. It is ideal for portable, battery-powered systems. #project #LTC4007 #ReferenceDesign #charger #BatteryManagement #reusable #module #bms #analog #template

The HOTCHIP HT4936S is a sophisticated mobile power management integrated circuit designed by Hotchip, optimized for portable power solutions that require efficient charging and power management capabilities. This advanced component integrates features for charging and discharging through a common port, automatic load detection for boost startup and shutdown, four-light battery level indication, and a low battery alert functionality. The HT4936S stands out for its ability to manage 1A input/output with minimal external components, leveraging synchronous rectification to enhance efficiency and reduce thermal footprint. Additionally, it supports a versatile charging protocol accommodating both 4.20V and 4.35V batteries, and is packaged in a compact SOP16 form factor, ensuring a low-cost, space-efficient solution for a wide range of mobile power applications including power banks, backup power supplies, and lithium battery chargers. It incorporates protection features against battery overcharge, over-discharge, and thermal overload, thereby ensuring reliable operation across a range of conditions. Furthermore, the HT4936S facilitates direct LED drive and includes an NTC thermistor input for temperature monitoring, making it an all-encompassing solution for power management in consumer electronics.

Charger IC Lithium Ion/Polymer I2C Controlled, 1- to 4-Cell, 3-A Buck Battery Charger with Dual-Input Selector, MPPT for Solar Panels and Integrated ADC 29-VQFN-HR (4x4)

Environmental exposure risk measuring device based on ESP32, ultraviolet light (UV) and CO2 gas sensor modules. It has a voltage booster based on MT3608 chip and a solar panel lithium battery charger with MPPT based on CN3791 chip.

Environmental exposure risk measuring device based on ESP32, ultraviolet light (UV) and CO2 gas sensor modules. It has a voltage booster based on MT3608 chip and a solar panel lithium battery charger with MPPT based on CN3791 chip.

10A MPPT Solar Charge Controller with dual USB ports using Low-power 32bit ARMCortex-M0+ MCU (STM32L072). Expandable via Olimex Universal Extension Connector (UEXT) featuring I2C

Solar-powered autonomous development board that allows you to grow your project from a small seed to a big, beautiful flower. AAA(10440) LiFePO4 battery as energy storage. BQ25504 Ultra Low-Power Energy Harvester

AvocAudio is a compact tinyML community board designed for extensive audio data collection for various tinyML applications. It leverages the Raspberry Pi RP2040 and integrates a LoRa-E5 LoRaWAN Transceiver Module for connectivity. Equipped with an SD card slot for local data storage, the board ensures efficient data collection. The board operates on solar power or a lithium-ion battery, ensuring flexible and efficient energy use. #raspberryPi #rp2040 #lorawan #iot #solar