MartinC
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MartinC 10/04/2019
Used this for the first time today, worked far better than I expected, laser printed a small circuit, taped it to pcb material that had been cleaned with alcohol following cleaning with fine steel wool and then ironed it in place. The backing paper peeled clean off and left an accurate pcb mask on the copper. I etched with ferrous chloride and was left with a perfect pcb. Only criticism was that the paper was poorly protected in the post and `i had to leave it under a heavy weight for a few days to flatten it to an acceptable level to be used in my HP laser printer. I found that my printer will take these A4 sheets cut into quarters, i.e. A6. this makes it a lot more economical to use. My next experiment is to see if it can be re used for another copy of the circuit. I will definitely be buying more of this in the future.
10pcs A4 Sheets Heat PCB Thermal Transfer Paper Toner For DIY Electronic Prototype Mak PCB Circuit Board
US$4.59 US$4.49
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MartinC 12/02/2019
I use these with salvaged Li-ion/ Li-Po cells along with a small boost converters to power LED’s in 3D printed light fittings and displays.
10Pcs TP4056 Micro USB 5V 1A Lithium Battery Charging Protection Board TE585 Lipo Charger Module
US$7.66 US$11.99
0
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MartinC 25/03/2019
These are a direct replacement for Gilllette blades and seem just as good only a fraction of the price.
GFLV® 16pcs 5 Layers Blades Shaving Razor Shaver Heads
US$19.99 US$29.99
0
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MartinC 29/05/2019
excellent little lights, quite bright on full brightness but even on a lower setting to conserve battery life the are bright enough to achieve a good effect. remote control works well and at a reasonable range. haven’t tried submerging them yet but have been left outside for a week in heavy rain with no ill effects.
10X Remote Control Waterproof RGB Submersible LED Candle Tea Light Table Lamp Decoration
US$12.33 US$13.67
0
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MartinC 01/08/2019
neat little module, easy to set up and use.
3Pcs DS3231 AT24C32 IIC Real Time Clock Module Geekcreit for Arduino - products that work with official Arduino boards
US$5.63
0
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MartinC 01/08/2019
neat little unit. does what I need it to.
Geekcreit® LCR-T4 12864 LCD Graphical Transistor Tester Resistance Capacitance ESR SCR Meter
US$14.94 US$17.99
0
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MartinC 01/08/2019
As described. fit breadboards well.
120pcs 20cm Male to Male Color Breadboard Jumper Cable Dupont Wire
US$5.55 US$6.99
0
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DC-DC Adjustable Power Supply Buck Converter Step Down Module
US$3.44 US$9.99

Q: What is the EN pin on the input for?

Asked by MartinC on 2019-04-18 01:57:42

APteH EN is chip enable. A high is Enable, low is disable

2019-05-20 06:42:31 Helpful (2)
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Answers (3)
MartinC 10/04/2019
Perfect for cleaning up holes in models that have been 3D printed. I now deliberately make the holes a fraction smaller than needed so that I can use this tool to achieve perfect holes.
DT01 Edge Reamer Professional Reaming Universal Hole Drill Tool 0-14mm Opener Reamer
US$7.99 US$9.99
0
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MartinC 25/03/2019
excellent for micro controller projects suck as arduino controlled lighting.
5V 1 Channel Level Trigger Optocoupler Relay Module
US$4.59 US$8.99
0
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MartinC 25/03/2019
excellent. use them for running esp8266 based projects from mains supply. such as Alexa controlled sockets and lights.
3Pcs 5V 700mA 3.5W AC-DC Step Down Isolated Switching Power Supply Module
US$6.16 US$11.99
0
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MartinC 25/03/2019
exactly what they claim to be, good selection of cheap resistors. you just need to find an appropriate method of storage as they are just strips of resistors.
1000Pcs 5% 1/2W 0.5W Metal Film Resistor 50 Values Assorted Kit 0.1 ohm~4.7M ohm Capacitor
US$13.79 US$16.99
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MartinC 12/02/2019
I used one of these to repair a faulty touch sensitive lamp and it fitted as a direct replacement. This has 3 light levels as opposed to just the on/off unit that it replaced. Be aware that it is not suitable for led or cfl lamps, just filament or halogen bulbs. I think that is how the original one was destroyed.
AC 220V 3 Way Touch Control Sensor Switch Dimmer Lamp Desk Light Parts
US$5.74 US$10.99
0
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MartinC 09/02/2019
Used this to power an LED display light, measured capacity appears to be 1750 mAh when measured using a TP4056 as charge controller and discharging at a current of 40 mA.
Eachine EV800 FPV Goggles Spare Part 3.7V 2000mAh Lipo Battery
US$10.84 US$13.69
0
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MartinC 16/10/2018
I have bought several of these and so far they have all been reliable. I use them with usb led light bars for under cupboard lighting. they get quite warm after prolonged use at 5w output but remain reliable up to now. (about a month of every day use) will definitely order more.
UK Home Wall 3 Pin USB Plug Power Adaptor Charger For iPhone 6S Plus Cell Phone Tablet
US$1.99
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MartinC 16/10/2018
this is my second batch of glue, use it for insulating electrical repairs and projects as well as general purpose hobby use. with a variable temperature gun this can be used either hot and very fluid or cooler and bulky, either way it sticks extremely well. can be rather stringy at lower temperatures but not difficult to deal with with practice.
10pcs 11mm x 247mm EVA Clear Hot Melt Glue Adhesive Sticks For Glue Gun
US$7.46 US$15.99
0
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MartinC 28/06/2018
accurate and bright display. use this wiring diagram but ignore the shunt.
Dual Red Blue LED Digital Voltmeter Ammeter Panel Volt Gauge Meter
US$7.50 US$9.00
4
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MartinC 20/03/2018
Especially as these come with the appropriate spare mandrels these make a cheap way of topping up your sanding drums, far cheaper than buying locally and of comparable quality. I use these in a Dremel but I believe they will fit any similar rotary tool. My wife also uses them in her electric nail tool for when she is dealing with acrylic nails. I have bought her her own set so I don't have to keep searching for mine!
102pcs 120 Grit Sanding Drum Kit With 1/2 3/8 1/4 Inch Sanding Mandrels Fit Dremel Rotary Tools
US$11.49 US$11.99
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MartinC 20/03/2018
These are not very sturdy but more than adequate for small components.
5Pcs Geekcreit® 24 Value Electronic Components Storage Assortment Box
US$18.56 US$23.99
0
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MartinC 20/03/2018
I use these when I need to use AA or AAA batteries in 3D printed projects. More than adequate for this purpose, easy enough to include 1s,2s,3s or more cell holders in designs. I have even used them for 18650 cells in low current applications as I don't think they would be up to carrying any more current than a typical AA cell can deliver due to the thin material they are made of.
10 Pairs Silver Tone Metal Battery Spring Plate Set for AA AAA Batteries
US$3.44 US$3.99
0
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