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Microcontroller Projects (IC chips used)

 

Dated Project name & description Microcontroller used/
Enclosure used.
IC chips and
special components used
2018-04-00

RFID Room Card Key Holder

   
2018-04-00

RFID Reader for Room Access

   
2018-04-00

Cable Harness Tester

   
2018-03-00

RFID Hotel Card Key
Philipines

PIC16F18325  
2018-03-00

Washing Machine Interface Board

PIC16F18345  
2018-01-16

Raspberry Pi 3 hat (attchmentment board),

RS232, RS485, IO, RTC

nil
  • LM22676 (DC-DC voltage regulator 3A)
  • MAX3232 (RS232)
  • MAX3485 (RS485)
  • SC16IS740IPW (SPI to UART)
  • DS3231M (RTC)
2018-01-16

SLA Battery Charger
Seal Lead Acid
Solar Panel + DC Power

nil

LT3652
2017-11-14 Heater element fault detector

nil

  • LM7332 (high voltage single rail op-amp)
  • n-ch STP55NF06L
  • 817 (opto-coupler)
2017-11-00 AMD CPU Chip Tester

PIC16F18325

CY8C5868AXI-LP035
(PSoC5LP, ARM Cortex-M3)

  • LT1963ES8 (Vreg)
  • LT3083EFE (Vreg)
  • LTC4365ITS8-1 (over voltage protection)
  • LT3080EMS8E (LDO regulator)
  • LTC2053IMS8 (Op-amp, voltage sense)
  • LT6105IMS8 (current sense)
  • MIC5209YM (LDO regulator)
  • Si4946BEY (n-ch)
  • FDV301N (n-ch)
  • PCA9626B (i/o expander)
  • FDN336P (p-ch)
2017-10-00 Water Treatment sensors and valve controller

nil

  • LM22676-ADJ
  • LD1117-3V3
  • MCP3424, ADC for voltage and current sensor (4-20mA)
  • MCP6004, op-amp
  • ADM3260 (I2C, UART, Power Supply Isolator)
  • MAX3485
  • 817 opto-coupler
2017-10-00 Water Treatment touch panel

PIC16F18325

  • MTCH105, touch pad IC chip
  • PCF8574APW, I2C I/O expander
  • C5503ALNAK,  AC switch (lighted)
2017-07-00 Electric Fence Voltage Tester from 0-15kV

PIC16F18313

  • 9V Battery
  • TL431 regulator (low cost)
  • p-ch, NTR4101PT1G, IRLML6402TRPBF to switch on power supply to itself.
  • npn, BC847B
  • pnp, BC857C
  • HOLTEK HT1621B (TN LCD driver)
  • 74HC164 (TN LCD driver)
2017-06-00 Cathodic Protection Driver

dsPIC4013
PIC16C711, PIC16F716
PIC12C508A, PIC12F508

 

 

  • VTX-111-010
  • SN75477
  • LTC1286
  • LM2574-5
  • H11L1
  • BC108b
  • BC182b
  • SKKT 131-O8D 9515
2017-05-18 Audio Triggered Relay

PIC16F18326

Casing: 1455N1601BK

  • LMV324
  • Solid State Relay D2410
  • Audio Socket MC001293
2017-04-27 Cable connector assembly wire tester

PIC12F1840

Casing: 1593QBK

  • Enclosure 1593QBK with battery compartment (BS61)
  • MCP23017, I2C I/O expander
  • MCP1700, 5V voltage regulator
  • 9V Battery
2017-03-28 Sensor and solonoid valve controller attachment board.

Casing: 1455K1201BK

  • Enclosure 1455K1201BK
  • LM22676-ADJ
  • PCF8574APW, I2C I/O expander
  • MCP3424, ADC for voltage and current sensor (4-20mA)
  • MCP6004, op-amp
2016-12-11 Motor Controller
BLDC and DC motor
PIC16F18345
  • LM2840, DC-DC voltage regulator
  • A4950, DC H-bridge
  • A4963, BLDC sensorless
  • A4915, BLDC hall sensor
  • IRF7343, n-ch p-ch MOSFET
  • VOS617A-2X001T, opto-coupler
2016-12-02 Short Circuit Finder ver2

PIC12F1840

Casing: 1551G

  • MCP73831, 3.6V Li-ion charger
  • MCP1700T-3302, 3.3V regulator
  • MCP6041, op-amp single rail
2016-11-30 Wire Feeder PIC16F18325
  • LM2840, DC-DC voltage regulator
  • MCP1703-3302, 5V regulator
  • MTS2916A, Bipolar stepper motor driver
2016-07-08

OPB9000 Evaluation Board

  • process 3x user push button
PIC24FJ64GA002 (28 pins)
  • OPB9000, IR optical sensor
  • FT232BI, USB to UART
  • XC6220, LDO regulator
 2016-06-14  sd card audio player  ATMEGA328P-AU (32 pins)
  • LM22676-ADJ, Switching Regulator
  • XC6206P182, LDO
  • XC6206P332, LDO
  • IRF8707, n-ch
  • TF card socket
  • VS1053-L, Audio chip
  • TDA7297, power amplifier
2016-04-21 RS232 coin acceptor trigger

PIC12F1840 (8 pins)

(programmed with code protect)

  • LM22674
  • MAX232
 2015-11-11 USB hub  PIC16F1825 (14 pins)
  • USB2514Bi
  • FT232RL, USB to UART
  • VOS617A-2X001T, opto-coupler
  • USBLC6-2, ESD protection
  • RGB LED, Blue LED
  • USB micro plug (PCB mounted)
  • JST SR/SZ smd connector 1mm pitch
 2015-08-26 Short circuit finder  PIC12F1840 (8 pins)
  • MCP1700, LDO 3V3
  • MCP73831, battery charger
  • Op-amp single rail
  • USB micro socket
2015-07-13 Health Monitoring Electronic PIC24F16KL402
  • MCP73833, battery charger
  • MIC5219, LDO
  • MCP1700T-1802, LDO
  • MAX30100, SPO2 IR sensor
  • ADT7410, temperature sensor
  • MMA7660FC, Accelerometer
  • ESP8266, WiFi module
2015-05-20 Encoder Sensor, Speed Km/h Metering  PIC12F1840 (8 pins)
2015-04-28 Gaming Steering Wheel Control dsPIC30F3012 (28 pins)
  • FT232RL
  • 33886, DC motor driver, H-bridge
2015-04-28 Traffic Light Controller (Singapore)

PIC18F4550

Arduino UNO

  • LD1117-3V3, LDO
  • RFID reader module
 2015-04-27

Battery Charger RS485 Status,

  • multiple input monitoring
 PIC18F4520P (40 pins)
  • LM2594HV
  • MAX485
2014-08-08 BLDC motor controller PIC24EP256MC202
  • LM22674
  • MCP6L02T, op-amp for current sense
  • IRF7343TRPBF, half bridge (n-ch p-ch)
2014-08-07 RFID Hotel Key Card Holder PIC12F1840 (8 pins)
  • RT9161A-33GV, LDO 3V3
  • RFID reader module
2014-06-03 Automatic Gauge Block Comparator  dsPIC33FJ256GP506
  • MCP23S18, I/O expander SPI
  • 24AA16, EEPROM I2C
  • MCP9808, temperature sensor I2C
  • LM22672, Switching Regulator
  • LD1117, LDO 3V3
  • Ethernet
 2014-05-12 Security sensor array 2

dsPIC33FJ128GP804

PIC12F1840 (8 pins)

  • EEPROM I2C (8 pins)
  • LM22674, dc-dc
  • MCP4725, DAC
  • AD8629ARZ, OP-Amp single rail
  • A (sensor)
  • Ethernet
 2011-00-00 Security sensor array 1

dsPIC33FJ128GP804

dsPIC30F2012

  • LM22674, dc-dc
  • LM22678, dc-dc
  • EEPROM I2C (8 pins)
  • MCP4728, DAC
  • AD8629ARZ, OP-Amp single rail
  • A (sensor)
  • Ethernet
2013-09-03 Wireless Weighting Scale dsPIC33FJ128GP804
  • LM22674
  • EEPROM I2C (8 pins), 24AA16
  • HX711, load cell reader
  • XBee
2013-05-28 Wifi Sensor PIC24F08KL200 (14 pins)
  • LM2575S
  • MAX3232
  • WiFi
2013-03-27 Timer Pulse Generator Kit PIC12F1840 (8 pins)
  • LM2575S
2013-01-04 Multimedia Player controller PIC12F1840 (8 pins)
  • MCP6L02T, op-amp for Piezo sensor
  • IRF8707, n-ch
  • IR remote control receiver interfacing
2012-12-17 PSI indicator exhibit PIC24FJ64GA004 (44 pins)
  • LM2575S
  • HX711, load cell reader
  • IRF8707, n-ch
  • TM1804 IC for RGB LED
2012-11-12 Car park barrier gate controller PIC24FJ64GA004 (44 pins)
  • LM2575S
  • LD1117
  • MAX3232
  • MAX3485
  • Ethernet
2012-11-06 Alarm buzzer mute trigger switch PIC10F322 (6 pins)
  •  —
2012-10-08 RFID activated door & window PIC12F1840 (8 pins)
  • XC6206P302MR, LDO
  • RFID reader module
  • Wireless remote transmitter
2012-07-00 DTMF coder decoder PIC18F4550
  • MCP7941
  • HT9170D
  • HT9200A
2012-00-00 Factory Automation Controller (Visual Inspection) dsPIC33FJ256GP506
  • LM2594, High Voltage step down switching regulator
  • LM27313, DC-DC step up
  • TPS76333DBVR, LDO
  • 7seg LED
  • EEPROM I2C
  • MCP9700A
  • Ethernet, RJ45
  • RClamp0502A
  • HX2019NL
  • MAX3232
  • MCP4725, DAC
  • TS5A3159DBVR, analog switch
  • MCP6H01, op-amp single rail
  • sense resistor 50mOhm
2011-11-00 Ezlink payment to machine controller PIC24FJ64GA004
  • LM2575S
  • LD1117-3V3
  • MAX3232