PICAXE-28A IC

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(SKU# 28470)
$7.50 USD

10+ Units for $6.75 each.

Status: Discontinued

The PICAXE28A (AXE010A) has been obsoleted by the manufacturer, and has been replaced with the PICAXE 28X1!

The ‘PICAXE’ system is a powerful, low cost microcontroller programming system designed to simplify educational and hobbyist use of microcontrollers. PICAXE chips can be programmed in a graphical 'flow-chart' environment or in easy to understand BASIC.

PICAXE Type	# of Pins	Memory (lines)	I/O Pins	Outputs	Inputs	ADC (L=low)	Data Memory	Polled Interrupt	Chip
PICAXE-08	8	40	5	1 - 4	1 - 4	1L	128(- Prog)	-	PIC12F629
PICAXE-08M	8	80	5	1 - 4	1 - 4	3	256(- Prog)	Yes	PIC12F683
PICAXE-14M	14	80	11	1 - 5	6	2	256(- Prog)	Yes	PIC16F684
PICAXE-18A (Obs)	18	80	13	8	5	3	256	Yes	PIC16F819
PICAXE-18M	18	80	13	8	5	3	256(- Prog)	Yes	PIC16F819
PICAXE-18X	18	600	13	9	5	3	256 +i2c	Yes	PIC16F88
PICAXE-20M	20	80	16	8	8	4	256(- Prog)	Yes	PIC16F677
PICAXE-20X2	20	1000	17	1-17 Configurable		0-8	128 +i2c +128 Scratch	Yes	PIC18F14K22
PICAXE-28A (Obs)	28	80	20	8	8	4	64+256	Yes	PIC16F872
PICAXE-28X1	28	1000	21	9 - 17	0 -12	0 - 4	128 +i2c +128 Scratch	Yes	PIC16F886
PICAXE-28X2	28	1000	21	1-17 Configurable		0 - 8	128 +i2c +128 Scratch	Yes	PIC18F2520 (3V: 25K20)
PICAXE-40X1	40	1000	32	9 - 17	16 - 23	3 - 7	128 +i2c +128 Scratch	Yes	PIC16F887
PICAXE-40X2	40	1000	32	1-17 Configurable		3 - 12	128+i2c +128 Scratch	Yes	PIC18F4520
Memory (lines) = Approximate number of lines of program code the chip can hold. Data Memory = Bytes of EEPROM memory on board. "128 (-Prog)" means 128 Bytes less the space needed for your program. 256+I2C means 256 Bytes + any external EEPROM space you add via the I2C interface). Polled Interrupt = A process that automatically checks a pin in between each command to see if something has happened (very useful!)