ESP32 Kit vs Respondr PTT

Best in class ESP8266 controller. Features: - Control the board by Bluetooth or WIFI. - Read & write digital pins. - Read & write PWM pins. - Control Servo Motors. - Read analog pins. - Remember last status of the pins. - Change the mode of the pin (Output, SERVO, PWM or INPUT). - Automatic connect. - Label of each pin can be edited. - Live Charts for tracing your analog value. Applications: - Smart Home. - Automation. - Hoppy projects. - Schools & university projects. - Remote & Robots control. Requirements: - ESP32 Board - ESP32 Arduino Sketch (URL provided inside the app). - Arduino IDE to upload the sketch. Tested on: - ESP32 Dev Kit Board, and will work any similar ESP32 boards.

Respondr PTT turns any smartphone, tablet or desktop into a secure, always-on two-way radio built for mission-critical teamwork. Tap once and talk live to a single colleague, a fleet or the whole organisation over Wi-Fi, LTE, 5G or even EDGE/2G. Our ultra-low-latency engine ( under 300 ms) keeps conversation natural while advanced voice compression slashes data use. Key benefits • Instant, encrypted voice — TLS transport plus optional AES-256 end-to-end encryption protect every word. • Works when coverage drops: messages queue offline and auto-deliver on reconnection. • Cross-platform — Smartphones, tablets, desktop computers, and ruggedized field hardware all share the same channels seamlessly. • Unlimited, dynamic talk-groups that dispatch or supervisors can create, rename and archive in seconds. • Location & playback: view live GPS, replay recent calls and search transcripts from the Respondr Dispatch console. • Accessory-friendly — wired headsets, shoulder mics, Bluetooth PTT buttons, vehicle mounts. • Scales instantly from a single site to global operations with no repeaters or base stations to buy. Typical use cases • Public safety & emergency response • Logistics, transit & fleet coordination • Utilities, manufacturing & field maintenance • Event security, retail & warehouse ops Why upgrade from traditional radios? Respondr preserves existing DMR, TETRA and analog investments via seamless patching, yet frees your team from range limits and costly spectrum licences. Enjoy crystal-clear audio, global reach and enterprise-grade admin controls from a single app. Start in minutes Install the app and create your organisation. Invite teammates with a QR code or link. Push, talk, done! Respondr is developed by Teleproject Srl, trusted by enterprises and governments worldwide for 24/7 mission-critical voice. Visit respondr.net to explore our web-based dispatch console, open APIs and flexible subscription plans.