How I Made My Own Smartphone「 MAKERphone / CircuitMess-Ringo Clone 」
87#MAKERphone is a great invention Created by Albert Gajšak.
It can function as #Mobile_Phone and #game_console with many #Apps it is also an educational device shaped like a mobile phone compatible with all mobile networks. Its purpose: to motivate people to explore, learn and create something new in a fun and interesting way., I was not able to buy the MAKERphone at a reasonable price from UK, due to its high-cost, (£124.78) hence I decided to create one myself on PCB stripboard
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= . Specifications =
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Microcontroller
ESP32 with Xtensa dual-core 32-bit LX6 microprocessor, operating at 160MHz and performing at up to 600 DMIPS.
4MB of built-in flash memory + 520kB of SRAM.
Display
1.8", 160*128px full color (RGB 16bit).
25FPS refresh rate by default, up to 50FPS.
Digitally controllable backlight level.
Sound
10bit dedicated DAC (TFA9882).
Multi-channel WAV playback.
2W class-D audio amp, audio jack 3.5mm, 1W 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 4GB 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 dedicated cellular network co-processor (the thing that calls other people). Micro SIM card slot.
Battery
LiPo 3.7V 1300mAh, 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!)
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= MAKERphone Schematic =
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https://github.com/CircuitMess/CircuitMess-Ringo/tree/master/schematics
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= ( Code ) =
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Get a Firmware image
https://github.com/CircuitMess/CircuitMess-Ringo-firmware
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= Links Where I bought all Components =
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1) https://www.ebay.co.uk/itm/1-8-inch-TFT-ST7735S-LCD-Display-Module128x160-For-Arduino-51-AVR-STM32-ARM/201502815657
2) https://www.ebay.co.uk/itm/Hobby-Components-UK-ADS1015-I2C-12Bit-ADC-Module/133153951890
3) https://www.ebay.co.uk/itm/I2S-Audio-Breakout-MAX98357A/143149470403
4) https://www.ebay.co.uk/itm/SOP-to-DIP-Adapter-Board-PCB-Pin-SO-TSSOP-MSOP-SOT-QFP-TQFP-LQFP-Converter-Plate/263895218268
5) https://www.ebay.co.uk/itm/PCA9539PW-112-I-O-Expander-24-Pin-TSSOP/113249024816
6) https://www.ebay.co.uk/itm/ESP32-Development-Board-BLUETOOTH-WIFI-ESP-WROOM-32-Arduino-Raspberry-PI-IoT/312804130728
7) https://www.ebay.co.uk/itm/A56-Tactile-Cap-Switch-Momentary-Push-Button-Round-Flat-Keycap-6-Colours/233216080460
8) https://www.ebay.co.uk/itm/A24-Tactile-Cap-Switch-Momentary-Push-Button-Round-Flat-Keycap-6-Colours/233216074154
9) https://www.ebay.co.uk/itm/Smallest-SIM800L-GPRS-GSM-Module-Card-Board-Quad-band-Onboard-Antenna-Ku/253180279197
10) https://www.ebay.co.uk/itm/9x15cm-Double-Sided-PCB-Breadboard-Prototyping/282993714363
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