Difference between revisions of "Orders/Alibaba 122x32 LCD Displays"
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http://eastrising.en.alibaba.com/product/520361167-212974175/LCD_Graphic_Display_122x32.html | http://eastrising.en.alibaba.com/product/520361167-212974175/LCD_Graphic_Display_122x32.html | ||
− | I've been quoted $7.50USD (so about £4.62 each) plus about $35 (~£22) postage to the UK for the 4 I'm after. Price might go down a bit if people are interested. I don't know the price-break quantities though. | + | I've been quoted $7.50USD (so about £4.62 each) plus about $35 (~£22) postage to the UK for the 4 I'm after. <s>Price might go down a bit if people are interested. I don't know the price-break quantities though.</s> |
+ | |||
+ | ''Revised postage will be $60, plus $9 bank fees. Across 22 items that's a $3.14 (£1.94) fee per unit.'' | ||
+ | Totals per interested party at the bottom. | ||
+ | |||
+ | Lead time is currently 1-2weeks while waiting for new lot of red backlights. Delivery time should be about 5 days from then. Will be notified. | ||
+ | |||
=== Interested === | === Interested === | ||
+ | Red-on-black (ERM12232DNR-1): | ||
* Sci x4 | * Sci x4 | ||
− | * [[User:dmi|DMI]] | + | * [[User:dmi|DMI]] x2 |
* Mark Steward x4 | * Mark Steward x4 | ||
− | * tgreer | + | * tgreer x1 |
− | |||
* Jon Fautley (Filbert) x 2 | * Jon Fautley (Filbert) x 2 | ||
− | '''Total:''' 20 | + | '''Total:''' 13 |
+ | |||
+ | Other items: | ||
+ | * [[User:dmi|DMI]], x3 dark-blue-on-white (ERM12232GS-1) $6.40ea. | ||
+ | * Kimball Johnson, x2 dark-blue-on-white (ERM12232GS-1), x1 ERC24064SBS-1 (white on blue) [[User:Drrk|Drrk]] 22:18, 2 May 2012 (UTC) | ||
+ | * tgreer x1 (ERM12232GS-1) $6.40ea. | ||
+ | * asc x2 dark-blue-on-white (ERM12232GS-1) $6.40ea. | ||
+ | |||
+ | === Amounts payable === | ||
+ | |||
+ | * <s>Sci (4x ERM12232DNR-1); $42.56 '''(£26.30)'''</s> PAID - May 4th, 2012 | ||
+ | * <s>DMI (2x ERM12232DNR-1, 3x ERM12232GS-1); $21.28 + $28.62 = $49.90 '''(£30.83)'''</s> PAID - May 4th, 2012 | ||
+ | * <s>Mark Steward (4x ERM12232DNR-1); $42.56 '''(£26.30)'''</s> PAID - May 9th, 2012 | ||
+ | * <s>tgreer (1x ERM12232DNR-1, 1x ERM12232GS-1); $10.64 + $9.54 = $20.18 '''(£12.46)'''</s> PAID - May 5th, 2012 | ||
+ | * <s>Jon Fautley (Filbert) (2x ERM12232DNR-1); $21.28 '''(£13.14)'''</s> PAID - May 4th, 2012 | ||
+ | * <s>Kimball Johnson (2x ERM12232GS-1, 1x ERC24064SBS-1) $19.08 + $17.14 = $36.22 '''(£22.37)'''</s> PAID - May 5th, 2012 | ||
+ | * <s>asc (2x ERM12232GS-1) $19.08 '''(£11.78)'''</s> PAID - May 8th, 2012 | ||
+ | |||
+ | '''Total:''' $231.78 (within $0.08 of invoice total) (£143.14) | ||
+ | |||
+ | <s>Order has been placed.</s> | ||
+ | |||
+ | Order has arrived at Sci's home address. Will attempt to deliver them to individuals member-boxes at the weekend unless otherwise instructed. | ||
+ | |||
+ | == Usage == | ||
+ | |||
+ | The controller appears to be a SED1520 module. An AVR library is here: http://en.radzio.dxp.pl/sed1520/ | ||
+ | |||
+ | === Pinout === | ||
+ | |||
+ | {|class="wikitable" | ||
+ | ! Pin !! Name !! Description | ||
+ | |- | ||
+ | | 1 || VSS || Power (+5V) | ||
+ | |- | ||
+ | | 2 || VDD || Ground (+0V) | ||
+ | |- | ||
+ | | 3 || V5 || Contrast adjustment. Connect a rheostat with VSS | ||
+ | |- | ||
+ | | 4 || A0 || Command (L) or data (H) register selection input | ||
+ | |- | ||
+ | | 5 || CS1 || Left side (61 columns) select input, low active | ||
+ | |- | ||
+ | | 6 || CS2 || Right side (61 columns) select input, low active | ||
+ | |- | ||
+ | | 7 || CL || External clock signal | ||
+ | |- | ||
+ | | 8 || E-RD || Enable signal or read enable clock | ||
+ | |- | ||
+ | | 9 || R/W_W/R || Read/write or write enable clock | ||
+ | |- | ||
+ | | 10 || D0 ||rowspan="8"| 8-bit bi-directional data bus | ||
+ | |- | ||
+ | | 11 || D1 | ||
+ | |- | ||
+ | | 12 || D2 | ||
+ | |- | ||
+ | | 13 || D3 | ||
+ | |- | ||
+ | | 14 || D4 | ||
+ | |- | ||
+ | | 15 || D5 | ||
+ | |- | ||
+ | | 16 || D6 | ||
+ | |- | ||
+ | | 17 || D7 | ||
+ | |- | ||
+ | | 18 || RES || Hardware reset and interface type selection: High = 68-family MPU, low = 80-family MPU | ||
+ | |- | ||
+ | | 19 || NC || No connection | ||
+ | |- | ||
+ | | 20 || NC || No connection | ||
+ | |} | ||
+ | |||
+ | ==== Backlight ==== | ||
+ | |||
+ | The backlight is provided by an LED on each side of the display. Looking from the front of the LCD module, the top-right and bottom-left pins are +3.3V, and the top-left and bottom-right pins are connected to ground. The datasheet is inconsistent, but suggests either 15mA or 40mA of current per LED. | ||
+ | |||
+ | [[Category:Orders]] |
Latest revision as of 21:38, 20 March 2014
Organised by Sci.
The LCDs are here: http://eastrising.en.alibaba.com/product/520361167-212974175/LCD_Graphic_Display_122x32.html
I've been quoted $7.50USD (so about £4.62 each) plus about $35 (~£22) postage to the UK for the 4 I'm after. Price might go down a bit if people are interested. I don't know the price-break quantities though.
Revised postage will be $60, plus $9 bank fees. Across 22 items that's a $3.14 (£1.94) fee per unit. Totals per interested party at the bottom.
Lead time is currently 1-2weeks while waiting for new lot of red backlights. Delivery time should be about 5 days from then. Will be notified.
Interested
Red-on-black (ERM12232DNR-1):
- Sci x4
- DMI x2
- Mark Steward x4
- tgreer x1
- Jon Fautley (Filbert) x 2
Total: 13
Other items:
- DMI, x3 dark-blue-on-white (ERM12232GS-1) $6.40ea.
- Kimball Johnson, x2 dark-blue-on-white (ERM12232GS-1), x1 ERC24064SBS-1 (white on blue) Drrk 22:18, 2 May 2012 (UTC)
- tgreer x1 (ERM12232GS-1) $6.40ea.
- asc x2 dark-blue-on-white (ERM12232GS-1) $6.40ea.
Amounts payable
Sci (4x ERM12232DNR-1); $42.56 (£26.30)PAID - May 4th, 2012DMI (2x ERM12232DNR-1, 3x ERM12232GS-1); $21.28 + $28.62 = $49.90 (£30.83)PAID - May 4th, 2012Mark Steward (4x ERM12232DNR-1); $42.56 (£26.30)PAID - May 9th, 2012tgreer (1x ERM12232DNR-1, 1x ERM12232GS-1); $10.64 + $9.54 = $20.18 (£12.46)PAID - May 5th, 2012Jon Fautley (Filbert) (2x ERM12232DNR-1); $21.28 (£13.14)PAID - May 4th, 2012Kimball Johnson (2x ERM12232GS-1, 1x ERC24064SBS-1) $19.08 + $17.14 = $36.22 (£22.37)PAID - May 5th, 2012asc (2x ERM12232GS-1) $19.08 (£11.78)PAID - May 8th, 2012
Total: $231.78 (within $0.08 of invoice total) (£143.14)
Order has been placed.
Order has arrived at Sci's home address. Will attempt to deliver them to individuals member-boxes at the weekend unless otherwise instructed.
Usage
The controller appears to be a SED1520 module. An AVR library is here: http://en.radzio.dxp.pl/sed1520/
Pinout
Pin | Name | Description |
---|---|---|
1 | VSS | Power (+5V) |
2 | VDD | Ground (+0V) |
3 | V5 | Contrast adjustment. Connect a rheostat with VSS |
4 | A0 | Command (L) or data (H) register selection input |
5 | CS1 | Left side (61 columns) select input, low active |
6 | CS2 | Right side (61 columns) select input, low active |
7 | CL | External clock signal |
8 | E-RD | Enable signal or read enable clock |
9 | R/W_W/R | Read/write or write enable clock |
10 | D0 | 8-bit bi-directional data bus |
11 | D1 | |
12 | D2 | |
13 | D3 | |
14 | D4 | |
15 | D5 | |
16 | D6 | |
17 | D7 | |
18 | RES | Hardware reset and interface type selection: High = 68-family MPU, low = 80-family MPU |
19 | NC | No connection |
20 | NC | No connection |
Backlight
The backlight is provided by an LED on each side of the display. Looking from the front of the LCD module, the top-right and bottom-left pins are +3.3V, and the top-left and bottom-right pins are connected to ground. The datasheet is inconsistent, but suggests either 15mA or 40mA of current per LED.