Technical Specifications

Microcontroller

• ESP32 with Xtensa dual-core 32-bit LX6 microprocessor, operating at 160 MHz and performing at up to 600 DMIPS
• 4 MB of built-in flash memory + 520 kB of SRAM

Display

• 1.8″, 160×128px full color (RGB 16 bit)
• 25 FPS refresh rate by default, up to 50 FPS
• Digitally controllable backlight level

Sound

• 10 bit dedicated DAC (TFA9882)
• Multi-channel WAV playback
• 2 W class-D audio amp, audio jack 3.5 mm, 1 W speaker, software volume control

Input

• 4-way analog joystick, 12-button numeric keypad, A (confirm), B (back), 4 multi-purpose addressable buttons

Micro SD card socket

• FAT and FAT32 compatible
• Every console comes with a 4 GB Micro SD card with MAKERphone-compatible games and apps preloaded!

Network

• Built in Wi-Fi 802.11 b/g/n and Bluetooth v4.2 BR/EDR and BLE
• SIM800L or SIM7600 dedicated cellular network co-processor (the thing that calls other people)
• Micro SIM card slot

Battery

• LiPo 3.7 V 1300 mAh, charged through micro USB B port
• Sufficient for approximately 3 days of normal use

RTC (real time clock)

• DS1307 Accurate I²C-Integrated RTC – this thing keeps time and takes care of alarms.

Extras

• 8 individually-controllable RGB LEDs mounted on the back of the phone – for signalisation and cosmetic purposes (IT GLOWS!)

Ringo needs tools

You’ll need some basic tools and equipment for assembling your Ringo

• regular soldering iron (nothing super expensive is required) and some solder
• diagonal cutter pliers
• regular screwdriver
• some solder
• a piece of insulating tape or some super-glue

What's in the box

• Ringo circuit board – the main board that connects all the components in a uniform device that can work as a mobile phone
• Ringo casing – multiple sheets of acrylic cut with the power of lasers. They protect the innards and give Ringo this sleek look
• 128x160 full color TFT LCD – for playing games, displaying phone numbers and everything in between
• GSM module – a tiny module responsible for everything related to calling and texting other people
• Main microcomputer module – a dual core processor with built-in Wi-Fi, BLE, and a charging circuit
• Sound module – a board with a DAC (digital to analog converter) chip and a headphone jack for music playback (responsible for ringtones, alarms, game sound effects)
• Amplifier module – makes loud buzzes, bleeps and bloops
• Stick-on antenna – for superb phone signal (a.k.a. send text messages while in the bathroom)
• 4 GB Micro SD card – preloaded with games and apps
• A bag with other tiny electronic components