VoltJots Issue 39

NEWS & ARTICLES

Revolutionizing low-power design

Microchip's PIC16F17576 MCU integrates low-power analog features, enabling continuous signal measurement under 3.0 µA, while its op-amps and 12-bit ADC ensure precision and efficiency for complex sensor systems.

Thin film pyroelectric boosts thermal sensors

MIT researchers have created an ultra-thin thermal sensor film that picks up even tiny temperature changes, opening new possibilities for night-vision gear, self-driving cars, and environmental monitoring.

Cold sintering solves battery challenge

Researchers are developing low-temperature solid-state batteries that ditch flammable liquid electrolytes for safer, high-performance alternatives.

Warehouse automation with IoT

Over 25% of warehouses are now automated thanks to IoT, making operations faster and more efficient without the need for costly robotic systems. Here's an inside view of how it's done.

Solar on top, sensors on bottom: smart insole offers biometric insights

This smart insole uses pressure sensors, solar power, and AI to track a person's gait and detect early signs of conditions like plantar fasciitis, Parkinson's disease, and diabetic neuropathy.

PROJECTS & TUTORIALS

Gesture control drone using Python with LiteWing and ESP32

Learn to create a gesture control drone using a LiteWing Drone, ESP32 module, and MPU6050, sending hand gestures to your computer via Bluetooth to control the drone's pitch and roll.

CrowBot firmware modifications for voice and tilt control

By integrating the GRC AI Robot Control board, you can control the CrowBot BOLT robot via voice commands and tilt gestures.

Simple circuit for on/off control

This simple control circuit uses a counter and a push button to toggle the output on and off.

How to send SMS with Arduino UNO R4 via Internet

Send SMS alerts using an Arduino UNO R4 WiFi board and the free CircuitDigest Cloud SMS API, eliminating the need for a GSM module.

The best approaches for improving power density

Improving power density in your designs is a balancing act, cramming functionality into tight spaces while tackling thermal issues, reliability, and EMI.

Tinycorder: your pocket-sized sci-fi gadget

Introducing Tinycorder: a compact, DIY multitool device that lets you measure your environment, test electrical signals, and more, all while paying homage to the iconic Star Trek tricorder.

PRODUCTS

World’s smallest open-source LoRa + GPS module

This tiny, open-source module packs LoRa and GPS into a 3cm design, for long-range communication and accurate tracking in wearables and IoT projects.

Digital isolation made easy

Compatible with both 3.3V and 5V systems, this 4-channel digital isolator module protects low-voltage circuits from high-voltage projects, handling 1000Vrms and transients up to 7kV.

Makerdiary nRF9151 Connect Kit

The Makerdiary nRF9151 Connect Kit is a compact, open-source prototyping board designed for global cellular IoT applications, featuring LTE-M, NB-IoT, DECT NR+, and GNSS connectivity.