Year: 2021
Meet ESP32-C3 Board on top of a Rechargeable 16340 Battery
What can be better than ESP8266 and ESP32? Maybe a battery-powered ESP32-C3 board designed to provide lower power consumption. LILYGO® has just launched an ESP32-C3 board with a rechargeable 16340 battery holder. The new board, aptly named LILYGO TTGO T-OI PLUS consumes lesser...
Continue ReadingConvert your Raspberry Pi in an Open Source tablet with the RasPad 3
Introduction Single-board computers based on the Raspberry Pi are powerful, low-cost, and compact. This makes them excellent for small tasks that require a real computer rather than a low-level microcontroller. However, they have a minor downside in that, they are compact but not...
Continue ReadingDual +5 V/-5V @ 200 mA Regulated Linear Power Supply
The project presented here is a dual AC to DC output linear power supply. This power supply provides low ripple low noise DC regulated output. Usually, transformer-based linear power supplies are considered very bulky and inefficient, but this power supply still is very important for...
Continue ReadingLow Voltage Microphone Preamplifier with Variable Compression and Noise Canceling
This is a complete microphone signal conditioning project. Designed primarily for voice-band applications, this project provides amplification, limiting, variable compression, and noise gate. User-adjustable compression ratio, noise gate threshold, and two different fixed gains optimize...
Continue ReadingIR Remote Controlled Motorized Potentiometer – Arduino Compatible
This is an Infrared Remote controlled motorized potentiometer controller. It’s an open-source project built on the Arduino platform and compatible with Arduino IDE for custom programming. The project consists ATMEGA328 microcontroller, IR sensor, L293D motor driver, ALPS Motorized...
Continue Readingonsemi / Fairchild FAN53526 Programmable TinyBuck® Regulators
onsemi / Fairchild FAN53526 Digitally Programmable TinyBuck® Regulators are switching voltage regulators that provide a digitally programmable output from an input voltage supply of 2.5V to 5.5V. The FAN53526 has an output voltage programmed through an I2C interface capable of...
Continue ReadingKobol, the company behind Helios64 NAS system calls it quit and shut it’s doors
Recent news reaching us is that Helios4 and Helios64 manufacturer, Kobol, has decided to call it quits promising to only give its support to its customers when available. The three-man company behind the popular open-spec network-attached storage (NAS) devices made this announcement...
Continue ReadingBL602 Microcontroller and $1.5 BL-63B IoT module
BL602 Bouffalo Labs BL602 microcontroller is a Wi-Fi and Bluetooth LE-capable microcontroller with a 32-bit RISC-V derived core. The chipset is designed for ultra-low-cost low-power applications and has support for 2.4G radio, Wi-Fi 802.11b/g/n and BLE 5.0 baseband/MAC designs. It also...
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