soundbox 16 / 120106 / BOX-16

Picked this up on amazon. The Silkscreen was awesome. Went together perfectly, and it worked the first time. The only thing I would change about this is add an actual power port, to the kit and a friggen OFF BUTTON. The power for module is a + and - on the board. I mistakenly put a capacitor there, which should be fine The switches on the side select which noise you are pissing people off with it. and there is control pins on the board you can hook into a uC and automatically piss people off. Very hackable device, and the circuit is mostly a bilateral switch chip and a quad nand gate some switches, and of course, a black blob. Black blob is the massive detriment to this kit. Perhaps sometime I'll take a look at the inputs and outputs of the blob, but not today.

0000: Machine gun voice
0001: Fire truck voice
0010: Ambulance voice
0011: The police car voice
0100: Crickets sound
0101: Alarm
0110: Electronic signal sound
0111: Koh
1000: Insect song
1001: Whistle
1010: Telegraph sound
1011: Bird song
1100: ChongJi gunfire
1101: Car sirens
1110: Bass instruments sound
1111: Racing sound

YSZ-4

This was a quick build and worked gloriously until I accidentally hooked it up to 12V. Don't do that. All the parts came, silkscreen was super helpful, I think I'll order another one, to put in as a clock at the makerspace. I didn't get to see long term usage, cuz well... me. but that was blatantly my fault. If your a beginner solderingerr go for it. Not much to it, and could use a regulator of some sort, but all in all a good kit.

SH-E 879 clock

This is a simple seeming setup. the SH-E 879 has an informative silkscreen and all the parts arrived, but I just can't seem to get one that works. The first one the display was quite confused, I tried to troubleshoot, but I think it was bad firmware on the chip. the second one, most of the display works one of the 8 segments for the hours never came on. neither did the leds I may troubleshoot, but likely I may cut my losses and move on. it's perfectly happy with 5v is quite hackable would be simple to work into a project, but I think you would spend more time fixing it than it's worth. As dad says, it's easy to make a bad pie.