Tutorials and Examples⇠

Bangle.js Development Bangle.js Getting Started Bangle.js Widgets Quick Start (Bluetooth LE) YouTube View Counter Tiny Word Clock Flashing and using the ESP8266 with Espruino Bangle.js Data Storage (using interface.html) Adding an app to the Bangle.js App Loader Bluetooth LE Printers Bangle.js Performance Optimisation Bangle.js Fast Loading Bluetooth LE Emoji Advertising Battery Monitor Stopping Bangle.js Reset by Button Jolt.js Talking Clock Jolt.js Motion Activated Lights Jolt.js LEGO Control Jolt.js Combination Lock DIY Smart Meter Puck.js Duplo Siren BTHome Door Sensor for Home Assistant Bangle.js Internationalisation Bangle.js Clock Faces Quick Start Testing Espruino on Bangle.js 2 Bangle.js First Application (Timer) BLE Advertising with Node.js/Python/C#/Android Bangle.js Clock Info Automatic Data Download BTHome and Home Assistant Setup Web Bluetooth Dashboards Puck.js to GCP BigQuery & Data Studio Stream from Puck.js to AWS IOT Core & SNS Email Bluetooth LE UARTs (NUS) Adding a Bangle.js App Settings Page Understanding PWM and Implementing it Yourself Bangle.js 2 Disassembly Bluetooth LE HID Keyboards Bangle.js App Customiser Data Collection with Espruino Bluetooth LE Security and Access Control Saving code on Espruino Bluetooth LE MIDI Bangle.js Layout library Bangle.js Hideable Widgets Espruino Web IDE Controlling Espruino from Tensorflow on the Desktop Puck.js Rotary Encoder Bookmarklets with Web Bluetooth Quick Start (USB) Adding a Custom Boot Screen Web Bluetooth on Linux Bangle.js Data Streaming Bangle.js and Edge Impulse for Machine Learning Web NFC, and writing to NFC tags Using Web Bluetooth with Espruino Building Custom Firmware Bangle.js Software Modification Bangle.js App Loader Customisation Pico Buttons Bangle.js Clock Face Fonts Night Light Bluetooth LE and If This Then That Storing HTTPS Certificates Power Meter Bangle.js Graphics Puck.js FET Ethernet Webcam Display Flashing Lights UART.js Library Pocket 'walking' GPS Bangle.js Strap Modifications Quick Start (Writing Code) Espruino's Real Time Clock iBeacons Eddystone Beacons Bangle.js Disassembly Puck.js Control from Android using DroidScript IoT Services Handling POSTed data from Forms KeyPad Timer Ikea Eneby Speaker Controller Bluetooth LE and Node-RED with MQTT Bluetooth Music Controller Controlling Bluetooth Lights with Puck.js Bluetooth LE HTTP Proxies Exercise Machine controlled Video BLE Communications About Bluetooth LE (BLE) Using the ESP8266 with Wifi Flappy Bird Game Puck.js with SMS control Pixl.js SMS Remote Monitoring Single Button Combination Lock Low-level STM32 Peripheral access Web IDE on a Raspberry Pi Temperature Controlled Night Light with Puck.js Infrared Record and Playback with Puck.js Puck.js Bluetooth with the Graphical Editor Door Controlled Light with Puck.js Controlling Other BLE Espruino Devices Freezer Alarm Pixl.js Simple Logger Micro:Bit Voting Sending Text to Micro:Bit Heater Controller Writing and Submitting Tutorials (or changes) Pixl.js Home Computer Wireless Temperature Sensor WiFi Enabled Thermometer Favourite Icon on Web Server Water Physics with Servo Motors Remote Control Sockets Pico Clock Soldering an LCD directly to Espruino .NET Gadgeteer Modules Motion Sensing Lights Morse Code Texting MeArm Robotic Arm KeyPad Combination Lock Infrared Remote Control Individually Addressable LEDs Graphical Web Interface Dial Tones Espruino Home Computer Snake Game 5 Minute Wire Loop Game Pico Weather Station Pico LCD Display Hello World Pico Electronic Dice Controlling Pico from a Computer AA/AAA Battery Charger Interactive Web-based UI Typescript and Visual Studio Code IDE Home Automation with Raspberry Pi, MQTT, and Espruino Making Sounds and Music Digital Dice Logging to Google Sheets Writing and Submitting Modules (or changes) Word Clock Time Lapse Camera Thermistors Small Solar Powered Espruino Slot Machine Simple LED wiring Pico Vibration Pico Piano Pico Light Sensor Pico Infrared Transmit and Receive Pico FET Output Measuring and Controlling Fan Speed Using BTN1 to turn on an LED Bluetooth Voice Controlled Robot Differences between Arduino and Espruino code Using Alternative Terminal Apps Extending Espruino 2 - Making a new Graphics class Extending Espruino 1 - Making own firmware extension

Gadgetbridge for Android Debugging Tips Bangle.js 2 Technical Information Fonts Waveforms Bangle.js Troubleshooting Font Converter Espruino Performance Notes Graphics Library Inline Assembler Espruino Debugger Bangle.js Technical Information Advanced Debug (SWD) Espruino Pico 'Shims' Interfacing to a PC JIT Compiler Saving code on Espruino JavaScript Compilation Converting Bitmaps for Graphics Bluetooth Time Setter Bangle.js Code Guidelines Converting files to Strings Frequently Asked Questions Tips and Tricks Internet (HTTP/TCP/UDP/etc) IoT Services USART / UART / Serial Port Inline C code TV Out SPI - Serial Peripheral Interface Pulse Width Modulation OneWire I2C - Inter-Integrated Circuit Digital to Analog Converter Analog IO Analog to Digital Converter Fractals File IO and SD cards Headphone Jack Communications Espruino Kits Tools and Supplies Power Consumption Firmware Updates Espruino Interpreter Internals Code Style Espruino Feature List Ways of Programming Espruino Troubleshooting (Bluetooth LE) Troubleshooting Resetting Espruino Mounting the Espruino Board Arduino Shields Espruino Basics

Waveforms USART / UART / Serial Port Low-level STM32 Peripheral access TV Out SPI - Serial Peripheral Interface Pulse Width Modulation OneWire I2C - Inter-Integrated Circuit Digital to Analog Converter Analog IO Analog to Digital Converter

LED Matrices Arduino Ethernet and SD card shield (WIZnet W5100) Batteries Arduino ESP8266 WiFi Shield Arduino Motor Shield LCD_SPI_UNBUF LCD Library Light Dependent Resistor RcSwitch Robots WS2811/WS2812/WS2812B/APA104/APA106/SK6812 LED String/Strip Resistive Touchscreen Controller with Espruino Touch Key Pad based on Touchscreen Arduino Relay Shield Pyroelectric Motion Sensor (HC-SR501) Arduino GPRS/GSM shield (SIM900) Bluetooth Bluetooth BLE 4.0 (HM-10) Espruino Pico Robot PCB Vibration Sensor ULN2003 Transistor Array Speaker Relays Pin and Socket Strip MOSFETs LM339/393 Comparator (set watch on analog voltage) L293D Motor Driver IC Infrared Proximity Sensor EEPROMs (and related technologies) Buttons Breadboard Stepper Motors LIS302DL Accelerometer LIS3MDL LSM303DLHC Accelerometer Stepper Motor Module VCNL4020 RGB123 LED Matrices/Strips Wireless Sensors Accelerometers

Pixl.js Bluetooth to Ethernet MQTT Bridge Water Level Monitor Puck.js Vibration Sensor Tilt Hydrometer Repeater Tilt Hydrometer Brew Display with Pixl.js Dinosaur Game Pixl.js Wireless Temperature Display Image Slideshow with ILI9341 display Pixl.js and Bangle.js Menus Asteroids Game WiFi Websocket Server Pixl.js Wireless Weather Station Pixl.js Pong Game Pixl.js Multiplayer Pong Game Morphing 7 Segment Clock Wifi Remote Console Pixl.js Spectrum Analyser Pixl.js Oscilloscope Pixl.js Clock Animal Guessing Game Platform Game Pixl.js Temperature Display Pixl.js Conference Badge - Rotating Cube WiFi Xively Humidity/Temperature Sensor with Display Simple Data Logger The Useless Box - a box that turns itself off Distance Sensing Robot BLE Characteristic Scan UI Example - Slider for Pixl.js UI Example - Slider UI Example - Radio Buttons for Pixl.js UI Example - Radio Buttons UI Example - Keyboard UI Example - Bitmap fonts UI Example - Checkbox on Pixl.js UI Example - Checkbox UI Example - Buttons on Pixl.js UI Example - Buttons UI Example - all ui elements on Pixl.js UI Example - ui control w/ physical push buttons Open Weather Map Example Temperature Graph on a PCD8544 display, with DS18B20 temperature sensor Temperature on a PCD8544 display, with DS18B20 temperature sensor Reaction Timer using RGB123 HTTP Image Loader LED Clock (using WS8111) Remote Control Helicopter with Wii Nunchuck LED Volume (VU) Meter Running code from an EEPROM HTTP File Server

Turning an Espruino Puck.js Into a Universal Presentation Clicker Puckmote - Universal Remote Control IoT for Kitchen Gardens 16x16 Neopixel Frame USB Host Support Time Machine Retro-Inspired Smartwatch Tap Tap Rainbow - a 2 Player Quick Reaction Game Talos, Keeping You Safe During Your Commute Rubble Watch NB-IoT Explorer GNSS Espruino Position Tracker Espruino ISS Notifier Bluetooth Energy Usage Monitor Electric Skateboard Controller Wooden Bluetooth Remote for Lego Duplo Train